Warn loudly and do not set bpf.progs_loaded property on critical bpf load failure. am: 89515d979a

Original change: https://android-review.googlesource.com/c/platform/system/bpf/+/1335885

Change-Id: Idfc5035cb50f429b08c13d3162a0f45e2dfcc71a
tree: 672ae8127ecf833cb67889b82f11ae93a00515ee
  1. bpfloader/
  2. libbpf_android/
  3. progs/
  4. Android.bp
  5. NOTICE
  6. OWNERS
  7. PREUPLOAD.cfg